Home / 75,551.46-104,268.65-43,290.36

Finding the Fourth Proportional to 75,551.46, 104,268.65 and 43,290.36

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Solution

The fourth proportional to 75,551.46, 104,268.65 and 43,290.36 is: 59,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.46 : 104,268.65 = 43,290.36 : x
  2. Step 2: Convert to fraction form
    75,551.46/104,268.65 = 43,290.36/x
  3. Step 3: Cross multiply
    75,551.46x = 104,268.65 × 43,290.36
  4. Step 4: Simplify right side
    75,551.46x = 4,513,827,112.43
  5. Step 5: Solve for x
    x = 4,513,827,112.43/75,551.46
  6. Step 6: Final answer
    x = 59,745.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.